var displayInfo = function(info){
info = info.replace('<audio controls="controls" style="display: none;"></audio>', '');
var j = $.parseJSON(info);//将字符串转换成json对象
var str = j.success ? "操作成功" : ("操作失败，失败原因：" + j.message);
if(!j.success){
$.messager.alert('提示', str);
}
return j.success;
}
